Amphetamines __________ dopamine, whereas antipsychotic drugs __________
dopamine.
a. stimulate the release of; prevent the release of
b. prevent the release of ; stimulate the release of
c. stimulate receptors for; block receptors for
d. prevent reuptake of ; stimulate reuptake of
e. block receptors for; stimulate receptors for
c. stimulate receptors for; block receptors for
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Which of the following characterizes the association between testosterone levels and men's levels of sexual appetite?
a. There is no association. b. Very low levels of testosterone predict inhibited desire. c. Very high levels of testosterone predict excessive interest. d. There is a nearly one-to-one ratio between testosterone levels and sexual desire.
________ is an operant-conditioning procedure in which successive approximations of a desired response are reinforced
a. Shaping b. Latent learning c. Stimulus generalization d. Stimulus discrimination